Novel cycloaddition of 2-alkyl-3-benzoyl-2-thianaphthalenes

DOI: 10.1039/cc9960001659

Source and publish data:

Chemical Communications p. 1659 - 1660 (1996)

Update date:2022-08-29

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Authors:

Shimizu, Hiroshi

Yonezawa, Takenori

Watanabe, Tomoko

Kobayashi, Kazuhiro

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Article abstract of DOI:10.1039/cc9960001659

Deprotonation of 2-alkyl-3-benzoyl-2-thiochromenium salts 1 or 2 with 2 equiv. of triethylamine in ethanol affords the unexpected benzothiopyran derivatives 3 and 4; the structure of 3a is confirmed by X-ray crystallography.

Full text of DOI:10.1039/cc9960001659

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